CrossTabs Documentation
Welcome to the comprehensive statistical reference guide for CrossTabs.com — a free, privacy-first tool for cross-tabulation analysis.
What is CrossTabs?
CrossTabs.com is a web-based statistical calculator that performs:
- Chi-square tests for independence
- Fisher's exact test for small samples
- Effect size measures (Cramér's V, Phi, Odds Ratio)
- Residual analysis to identify key patterns
- Stratified analysis with Cochran-Mantel-Haenszel test
- Agreement statistics (Cohen's Kappa)
All calculations run 100% in your browser — your data is never uploaded to any server.
Quick Links
| Topic | Description |
|---|---|
| Getting Started | Upload data and run your first analysis |
| Chi-Square Test | Test for association between variables |
| Effect Sizes | Measure strength of association |
| Interpreting Results | Understand your output |
Who Uses CrossTabs?
- Researchers analyzing survey data
- Students learning statistics
- Healthcare professionals examining clinical outcomes
- Market researchers studying consumer preferences
- Social scientists exploring demographic patterns
Privacy Guarantee
CrossTabs runs entirely in your browser using JavaScript. No data is ever sent to any server. This makes it safe for:
- Sensitive research data
- HIPAA-compliant workflows
- Confidential business information
- IRB-protected studies
Ready to start? Launch the CrossTabs App or explore the documentation using the sidebar.